Home / 864,000.10-1,296,000.15-724,032.10

Finding the Fourth Proportional to 864,000.10, 1,296,000.15 and 724,032.10

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Solution

The fourth proportional to 864,000.10, 1,296,000.15 and 724,032.10 is: 1,086,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,000.10 : 1,296,000.15 = 724,032.10 : x
  2. Step 2: Convert to fraction form
    864,000.10/1,296,000.15 = 724,032.10/x
  3. Step 3: Cross multiply
    864,000.10x = 1,296,000.15 × 724,032.10
  4. Step 4: Simplify right side
    864,000.10x = 938,345,710,204.82
  5. Step 5: Solve for x
    x = 938,345,710,204.82/864,000.10
  6. Step 6: Final answer
    x = 1,086,048.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.